Home / 505,037.07-696,386.03-412,868.69

Finding the Fourth Proportional to 505,037.07, 696,386.03 and 412,868.69

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Solution

The fourth proportional to 505,037.07, 696,386.03 and 412,868.69 is: 569,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,037.07 : 696,386.03 = 412,868.69 : x
  2. Step 2: Convert to fraction form
    505,037.07/696,386.03 = 412,868.69/x
  3. Step 3: Cross multiply
    505,037.07x = 696,386.03 × 412,868.69
  4. Step 4: Simplify right side
    505,037.07x = 287,515,985,490.64
  5. Step 5: Solve for x
    x = 287,515,985,490.64/505,037.07
  6. Step 6: Final answer
    x = 569,296.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.